Other articles

1. Reset and Clone libvirt/KVM guest virtual machines

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2. Automatic DNS resolution for libvirt guests using a local domain

   Configuring automatic DNS resolution for libvirt guests using dnsmasq, NetworkManager, and a local domain.

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3. Clear systemd journal

   If the journal is configured to archive entires these can take up unnecessary disk space when not properly maintained.

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4. Reset root password on RHEL7

   How to reset an unknown root password using rd.break on RHEL 7.

   Start by booting until the GRUB2 menu appears then edit the boot loader menu with the e key. Find the line beginning with linux and make then follow these steps.

   1. add rd.break
   2. run mount -o remount …

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